CN103109817B - Weeding composition containing ametryn and acetochlor - Google Patents
Weeding composition containing ametryn and acetochlor Download PDFInfo
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- CN103109817B CN103109817B CN201310075978.XA CN201310075978A CN103109817B CN 103109817 B CN103109817 B CN 103109817B CN 201310075978 A CN201310075978 A CN 201310075978A CN 103109817 B CN103109817 B CN 103109817B
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Abstract
The invention relates to a weeding composition containing ametryn and acetochlor. The pesticide composition comprises active ingredients and synergistic auxiliaries, wherein the active ingredients include 10-50 parts by weight of ametryn and acetochlor with a weight ratio of 10:(1-100); and the synergistic auxiliaries include 5-10 parts by weight of salicylic acid and chitosan with a weight ratio of 10:(1-10). The pesticide composition is used for ensuring the synergism of the herbicides as well as prolonging the effective period of weeding.
Description
Technical field
The invention belongs to agrochemical field, particularly relate to a kind of Herbicidal combinations that comprises ametryn and Acetochlor, particularly relate to a kind of removing and comprise ametryn and Acetochlor, also comprise the weeding pesticide composition of salicylic acid and shitosan.
Background technology
Ametryn (Ametryn) is a kind of triazine herbicide, also referred to as " ametryn ", is insoluble in water, be soluble in organic solvent, and it runs into strong acid and strong base and is decomposed into the 6-hydroxy derivatives without activity of weeding.
Acetochlor (acetochlor) is the inner sucting conduction type broad-spectrum herbicide of amide-type, the weeds that are mainly used in preventing and kill off noncrop area.Can be used for the Tanakas such as cotton, soybean, Chinese sorghum, corn and prevent and kill off lady's-grass, eleusine indica, green foxtail etc.
Ametryn and Acetochlor are composite has shown synergistic function on some weeds, but for most of weeds, is only that to have expanded weeding general, and for realizing effective synergistic function.
Application number 95110481 discloses a kind of " Youyi " suspension emulsion and preparation method thereof, mainly relates to a kind of production method of agricultural herbicide, specifically a kind of " Youyi " suspension emulsion and preparation technology thereof.The selected raw material of this technique comprises that atrazine, Acetochlor, No. 0207, agriculture breast, aluminium-magnesium silicate, stearic acid, propane diols surplus are water,
Application number 96116117 relates to 40% second green bristlegrass Herbicidal compositions, and the atrazine amount ranges in active ingredient is 10%-30%, and Acetochlor amount ranges is 10%-30%, emulsifier 210 1: 11.5%, defoamer 0.15%, dispersant 5%, thickener 3%, surplus is water.
Application number 97103577 relates to corn field weed killer herbicide 30% second green bristlegrass missible oil, it is by Acetochlor atrazine and special organic solvent and emulsifier, forming with comparatively simple processes, is to prevent and kill off annual unifacial leaf in spring and summer corn field and the desirable formulation of broadleaf weed.
Application number 00100253 relates to a kind of suspended ternary composition weedicide and compound method thereof, this weed killer herbicide contains 10-30% atrazine, 3-30% alachlor, 3-9.9% Acetochlor and emulsifier 2101, dispersant white carbon, stabilizing agent calcium lignosulfonate and water.
Application number 00110884 relates to a kind of safety corn field herbicide composition, and it contains Pendimethalin, Acetochlor and three kinds of herbicide mixtures of atrazine.
Application number 00131295 relates to compound herbicide for corn field, and it contains Acetochlor 5-45%, atrazine 5-45%, nicosulfuron 0.2-5%; Auxiliary agent 5-35%, synergist 1-15%, filler 0.1-70%.
Application number 03102464 relates to the herbicidal composition of a kind of management of weeds, and it is taking Acetochlor and ametryn as active ingredient, and adds emulsifier, solvent and make.
Application number 01110159 relates to a kind of Acetochlor, 2,4-D butyl ester and atrazine ternary built corn field herbicide.
Xing Weifeng etc. have described Acetochlor ametryn suspension emulsion Weed Control in Maize pre-test (" Weed Science " 01 phase in 2004)
The present invention is surprised to find that by research the mixture of salicylic acid and shitosan can improve the herbicidal effect of ametryn and Acetochlor Recompounded pesticide effectively, make its synergy, and can increase by two kinds of agricultural chemicals solvability, improve the quick-acting phases of agricultural chemicals and make the weeding extension of validity of weed killer herbicide.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of weeding pesticide composition, particularly, the invention provides a kind of weeding pesticide composition that comprises ametryn and Acetochlor, this composition pesticide comprises active component and builder, wherein active component is ametryn and Acetochlor, the gross weight of ametryn and Acetochlor is 10-50 weight portion, the weight ratio of ametryn and Acetochlor is 10: 1-100, builder is salicylic acid and shitosan, the gross weight of salicylic acid and shitosan is 5-10 part, and the weight ratio of salicylic acid and shitosan is 10: 1-10.
Salicylization formal name used at school is called septichen, and a kind of small molecule aldehydes matter being extensively present in plant, is the intermediate product of phenyl alanine metabolic pathway, belongs to the derivative of cinnamic acid.Transpiration, the seed germination of involved in plant, bloom, the multiple physiological and biochemical procedure such as solid, stomatal closure, heat production; Inducing plant produces disease-resistant, anti-salt, the multiple physiological trait such as cold-resistant, also can involved in plant cell mitochondrial cyanide-resistant respiration and non-phosphorylating approach, improve jasmonic metaboilic level in plant corpus.Shitosan is that the chitin extensively being existed by natural world obtains through deacetylation, chemical name is Chitosan (1-4)-2-amino-B-D glucose, the premium properties such as the biological functionality of this natural polymer and compatibility, blood compatibility, safety, microbic resolvability, by all trades and professions extensive concern, have been obtained major progress in the application study of the numerous areas such as medicine, food, chemical industry, cosmetics, water treatment, METAL EXTRACTION and recovery, biochemistry and biomedical engineering.For patient, shitosan reducing blood lipid, the existing research report of hypoglycemic effect.
Obvious to the synergistic effect of herbicidal activity composition as the synergist of weed killer herbicide after these two kinds of mixture of substances, the physical action on active ingredient and chemical action have positive forward impact.
As required, above-mentioned weeding pesticide composition can be prepared into any formulation, preferably, in above-mentioned weeding pesticide composition, also comprise agriculture medicinal solvent, auxiliary agent, carrier, said composition is mixed with to wetting powder, water dispersible granules, microemulsion, suspending agent, aqueous emulsion.
Preferably, in above-mentioned weeding pesticide composition, also contain one or more in dispersant, thickener, antifreezing agent, defoamer and preservative, preferably, contain dispersant and thickener, wherein the umber of dispersant is 2-6 weight portion, and the umber of thickener is 0.1-2 weight portion.Said composition is prepared into suspending agent.
Preferably, the present invention also provides a kind of weeding pesticide composition for corn field, the ametryn that this composition pesticide comprises 10-30 weight portion, the Acetochlor of 10-30 weight portion, the salicylic acid of 5-9 weight portion, the shitosan of 1-5 weight portion, 2-6 weight portion dispersant, 0.1-2 weight portion thickener, 0-0.5 weight portion defoamer, 0-6 weight portion antifreezing agent, 0-1 weight portion preservative, it is 100 parts that water is supplemented to gross weight umber.
The present invention also provides a kind of weeding pesticide composition for preventing and kill off the purposes of corn ground weed, the ametryn that wherein composition pesticide comprises 10-30 weight portion, the Acetochlor of 10-30 weight portion, the salicylic acid of 5-9 weight portion, the shitosan of 1-5 weight portion, 2-6 weight portion dispersant, 0.1-2 weight portion thickener, 0-0.5 weight portion defoamer, 0-6 weight portion antifreezing agent, 0-1 weight portion preservative, it is 100 parts that water is supplemented to gross weight umber.
Preferably, in weeding pesticide composition, dispersant is selected from one or more in Dispersant MF, agriculture breast 1601#, dispersant NNO, Nongru-700 #, dispersant D425, agriculture breast 0201B, dispersant GY-D04, calcium lignosulfonate, sodium lignin sulfonate and agriculture breast BY110.
Preferably, in weeding pesticide composition, thickener is selected from one or more in hydroxyethylcellulose, xanthans, aluminium-magnesium silicate and white carbon.
Other auxiliary agents, in weeding pesticide composition, antifreezing agent can be selected ethylene glycol, and defoamer can be selected organosilicon or n-octyl alcohol, and preservative can be selected formaldehyde, Sodium Benzoate, natrium nitrosum etc.
Especially concrete, the invention provides a kind of weeding pesticide composition for corn field, said composition is 40% " Youyi " suspension agent, its preparation method is: get ametryn 200g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, dispersant NNO20g, Nongru-700 #40g, xanthans 2g, water complements to 1000g, after said components is fully mixed, carries out high speed shear, then input sand mill and carry out sand milling, obtain 40% " Youyi " suspension agent.
The present invention also provides a kind of weeding pesticide composition for corn field, said composition is 40% water dispersible granules, its preparation method is: get ametryn 200g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, naphthalenesulfonate formaldehyde condensation compound 100g, sodium alkyl benzene sulfonate 50g, white carbon 350g mix, mixture is carried out to granulation after ultra-fine grinding, dry, screening, both made 40% ametryn Acetochlor water dispersible granules.
The present invention also provides a kind of weeding pesticide composition for corn field, said composition is 30% water dispersible granules, its preparation method is: get ametryn 100g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, naphthalenesulfonate formaldehyde condensation compound 100g, sodium alkyl benzene sulfonate 50g, white carbon 450g mix, mixture is carried out to granulation after ultra-fine grinding, dry, screening, both made 30% ametryn Acetochlor water dispersible granules.
It is 10 that the present invention also provides weight ratio: the salicylic acid of 1-10 and the composition of shitosan are for improving the purposes of Herbicidal combinations herbicidal effect, wherein said herbicidal effect refers to the rate of preventing and kill off that improves weeds, described Herbicidal combinations is the mixture of triazine herbicide and acetamide-group herbicides, preferably, Herbicidal combinations is the mixture of ametryn and Acetochlor, and the weight ratio of ametryn and Acetochlor is 10: 1-100.
The above-mentioned weeding pesticide composition of the present invention is prepared to suspending agent, and the preparation method of suspending agent applies the preparation method of the suspending agent of this area routine, for example, by mixing, and high speed shear, sand mill sand milling, filtration, packaging and other steps obtain suspending agent.
Weeding pesticide composition of the present invention has efficient preventive effect for the weeds of corn field, the ratio of reasonably combined active component and active component thereof on the one hand, adopt simultaneously can enhanced activity composition management of weeds reinforcing agent, especially the mixture of salicylic acid and shitosan, herbicidal effect tool for triazines and amide herbicide composition is significantly improved, not only can ensure synergy between weed killer herbicide, and the time shorten of management of weeds, guarantee weed killer herbicide is effective, be evenly dispersed in soil depth, be beneficial to weeds and effectively contact weed killer herbicide, promote weeds to absorb weed killer herbicide simultaneously, accelerate weed killer herbicide death, the suspending agent of more simple pesticide activity component has the more excellent speed of killing and kill efficiency.
Embodiment
In order to understand the present invention, further illustrate the present invention with embodiment below, but do not limit the present invention.
Embodiment 1 40% " Youyi " suspension agent
Get ametryn 200g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, dispersant NNO20g, Nongru-700 #40g, xanthans 2g, water complements to 1000g, after said components is fully mixed, carry out high speed shear, then input sand mill and carry out sand milling, obtain 40% " Youyi " suspension agent.
Embodiment 2 30% " Youyi " suspension agent
Get ametryn 100g, Acetochlor 200g, salicylic acid 40g, shitosan 20g, Dispersant MF 20g, Nongru-700 #40g, xanthans 1g, water complements to 1000g, after said components is fully mixed, carry out high speed shear, then input sand mill and carry out sand milling, obtain 30% " Youyi " suspension agent.
Embodiment 3 20% " Youyi " suspension agent
Get ametryn 50g, Acetochlor 150g, salicylic acid 90g, shitosan 10g, calcium lignosulfonate 40g, agriculture breast BY110 10g, aluminium-magnesium silicate 1g, water complements to 1000g, after said components is fully mixed, carry out high speed shear, then input sand mill and carry out sand milling, obtain 20% " Youyi " suspension agent
Comparative example 1 contrasts 40% " Youyi " suspension agent
Get ametryn 200g, Acetochlor 200g, dispersant NN020g, Nongru-700 #40g, xanthans 2g, water complements to 1000g, after said components is fully mixed, carries out high speed shear, then inputs sand mill and carries out sand milling, must contrast 40% " Youyi " suspension agent.
Blank embodiment auxiliary agent contrast
Salicylic acid 50g, shitosan 50g, dispersant NN020g, Nongru-700 #40g, xanthans 2g, water complements to 1000g, after said components is fully mixed, carries out high speed shear, then inputs sand mill and carries out sand milling, obtains auxiliary agent contrast.
EXPERIMENTAL EXAMPLE
The weed killer herbicide of embodiment 1, comparative example 1 and blank is watered respectively to 200 times of earth's surfaces that spray corn field before emergence of corn.4 samples are carried out in each processing, 1 mu of ground of each sample, the rate of preventing and kill off of 5 days and 10 days statistics weeds after emergence of corn, carry out ratio calculating as basis taking the weeds quantity in the plot of clear water processing, wherein prevent and kill off efficiency and refer to that the strain number that can not recover to grow through the death of observation confirmation weeds accounts for the percentage of the total strain number of corresponding weeds of clear water processing.
Pass through field experiment, also find of great value phenomenon, contain exactly the Herbicidal combinations of salicylic acid and shitosan, not only the efficiency of preventing and kill off of weeds improves, and the time of weed control is also long, by the research to embodiment 1 herbicide application plot, find that showing ametryn and Acetochlor in the soil layer of downward 1-3 centimetre at soil is uniformly distributed, and the amount of infiltration is downwards fewer, and comparative example 1 weed killer herbicide skewness, Acetochlor penetrates deeply, and ametryn is in native table 1 centimetre left and right.From we can find out here, the one side effect of salicylic acid and chitosan compound is the effect of enhanced activity composition, is on the other hand to make active component all with infiltration with distribute, and improves weeding ratio and also extends the herbicide action time.
Embodiment 4 40% water dispersible granules
Get ametryn 200g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, naphthalenesulfonate formaldehyde condensation compound 100g, sodium alkyl benzene sulfonate 50g, white carbon 350g mix, and mixture is carried out to granulation after ultra-fine grinding, dry, screening, have both made 40% ametryn Acetochlor water dispersible granules.
Embodiment 5 30% water dispersible granules
Get ametryn 100g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, naphthalenesulfonate formaldehyde condensation compound 100g, sodium alkyl benzene sulfonate 50g, white carbon 450g mix, and mixture is carried out to granulation after ultra-fine grinding, dry, screening, have both made 30% ametryn Acetochlor water dispersible granules.
Embodiment 6 20% water dispersible granules
Get ametryn 100g, Acetochlor 100g, salicylic acid 50g, shitosan 50g, naphthalenesulfonate formaldehyde condensation compound 100g, sodium alkyl benzene sulfonate 100g, white carbon 500g mix, and mixture is carried out to granulation after ultra-fine grinding, dry, screening, have both made 30% ametryn Acetochlor water dispersible granules.
By the preparation described in embodiment 4-6 is carried out to above-mentioned experiment, find that the effect of itself and embodiment 1-3 is substantially suitable, show the synergistic effect of auxiliary agent to active component.
Claims (2)
1. comprise a weeding pesticide composition for ametryn and Acetochlor, this composition pesticide is 40% " Youyi " suspension agent, and it is prepared from by following process: get ametryn 200g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, dispersant NNO20g, Nongru-700 #40g, xanthans 2g, water complements to 1000g, after said components is fully mixed, carry out high speed shear, then input sand mill and carry out sand milling, obtain 40% " Youyi " suspension agent.
2. the preparation method of weeding pesticide composition claimed in claim 1, the method is: get ametryn 200g, Acetochlor 200g, salicylic acid 50g, shitosan 50g, dispersant NNO20g, Nongru-700 #40g, xanthans 2g, water complements to 1000g, after said components is fully mixed, carries out high speed shear, then input sand mill and carry out sand milling, obtain 40% " Youyi " suspension agent.
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| CN201310075978.XA CN103109817B (en) | 2013-03-11 | 2013-03-11 | Weeding composition containing ametryn and acetochlor |
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| CN201310075978.XA CN103109817B (en) | 2013-03-11 | 2013-03-11 | Weeding composition containing ametryn and acetochlor |
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| CN103109817B true CN103109817B (en) | 2014-11-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103518712B (en) * | 2013-10-30 | 2015-04-22 | 绍兴文理学院 | Sustained-release chloroacetamide herbicide water dispersible granule and preparation method thereof |
| CN104705331A (en) * | 2015-03-23 | 2015-06-17 | 广东中迅农科股份有限公司 | Weeding composition containing halosulfuron-methyl, diuron and ametryn |
| CN108308179B (en) * | 2018-03-22 | 2020-10-30 | 中化化工科学技术研究总院有限公司 | Pesticide synergistic additive and weeding composition containing same |
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| FR2444406A1 (en) * | 1978-12-18 | 1980-07-18 | Sipcam Spa | N-substd. halo-acetanilide and thiocarbamate compsns. - are synergistic selective herbicides for use in maize crops |
| CN1310939A (en) * | 2001-02-20 | 2001-09-05 | 李洪军 | Suspended emulsion herbicide contg. Yicao-an and Amiejing and its producing method |
| CN1777362A (en) * | 2002-12-16 | 2006-05-24 | 瓦伦特生物科学公司 | Herbicidal composition comprising a PS-II inhibitor and SAR inducer |
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Effective date of registration: 20200117 Address after: 530007, B-2 building, headquarter of China ASEAN enterprise, No. 1, headquarters Road, Nanning hi tech Zone, the Guangxi Zhuang Autonomous Region Patentee after: Guangxi easy harvest Biotechnology Co., Ltd. Address before: 530007, B-2 building, headquarter of China ASEAN enterprise, No. 1, headquarters Road, Nanning hi tech Zone, the Guangxi Zhuang Autonomous Region Patentee before: Ye Changdong |